Get whatever fits your budget the best and from a teachers stand point I'd stick to cheap, not wal-mart cheap but cheap the chances of your nephew sticking with it is really up in the air, so if he likes it a lot down the road spend a few more bucks on his next insturment. As for brand i'd would agree w/ Lordathestrings, all will be about the same quality but keep in mind that you want to stick w/ companies that make a particular product not 5 billion different products, though I must say i've been pleased w/ what yamaha has done over the years.